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STW9B12G Datasheet(PDF) 4 Page - Seoul Semiconductor |
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STW9B12G Datasheet(HTML) 4 Page - Seoul Semiconductor |
4 / 24 page www.seoulsemicon.com Product Data Sheet STW9B12G – Mid-Power LED 4 Performance Characteristics Parameter Symbol Value Unit Min. Typ. Max. Forward Current IF - 30 40 mA Forward Voltage VF (30mA) 2.9 3.3 V Luminous Intensity (2,600~4,200 K) Iv (30mA) - 2.6 (7.8lm) - cd (lm) Color Rendering Index [1] Ra 90 - - Viewing Angle [2] 2 Θ 1/2 120 Power Dissipation Pd - 132 mW Junction Temperature Tj - - 125 ºC Operating Temperature Topr - 40 - + 85 ºC Storage Temperature Tstg - 40 - + 100 ºC Thermal resistance (J to S) [3] Rθ J-S - 28 - ℃/W ESD Sensitivity(HBM) [4] - - - 5000 V Table 3. Characteristics, IF=30mA , Ta=25ºC, RH30% Notes : (1) Tolerance is 2.0 on CRI measurements. (2) 2Θ 1/2 is the off-axis where the luminous intensity is 1/2 of the peak intensity (3) Thermal resistance: RthJS (Junction to Solder) (4) A zener diode is included to protect the product from ESD. • LED’s properties might be different from suggested values like above and below tables if operation condition will be exceeded our parameter range. Care is to be taken that power dissipation does not exceed the absolute maximum rating of the product. • All measurements were made under the standardized environment of Seoul Semiconductor. |
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